Lens for a single-lens reflex camera



FIG. 1 is a front elevational view of a lens for a single-lens reflex camera showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a lens for a single-lens reflex camera, as shown. 